import java.util.Scanner;

public class three {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        String[] str_ = str.split(" ");
        StringBuffer[] stringBuffers = new StringBuffer[str_.length];

        for (int i = 0;i < str_.length;i ++ ){
        }


    }
}
